FBP is short for "Facebook Purity". Facebook Purity (aka Fluff Busting Purity) is a browser addon / greasemonkey script that lets you remove all the junk from your facebook homepage, such as application spam, game and quiz results and also lets you change the font size, so you can actually read the text in the newsfeeds again.

Since installing FBP i can filter out all the junk i dont want to see when i browse facebook, its a real life saver!

FBP is an acronym referring to a black person. FBP stands for FamousBasketballPlayer. FBP refers to the dirtiest kind of negro, the kinds of black men who hang around doing nothing but getting high and being a gangster. Some respectable black men wouldn't be considered an FBP because they haven't stooped to the low social level of the rest of the black population.

Jim: Rob, you better lock up your bike, there are fbp's around here

Rob: Yeah, and make sure you dont look at them wrong or they'll turn into apes and jump on your face.